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Search Term(s): Eupatorium perfoliatum   (1 record found)

Aster Family
Eupatorium perfoliatum  (perfoliate eupatorium)   
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Carex Section
Meaning of Scientific Name
Eupatorium: named for Mithridates VI Eupator, King of Pontus who is said to have discovered an antidote to a commonly used poison in one of the species; perfoliatum: Latin for through the leaf
Life Form
Perennial Herb
Phenology (Flowering Period)
Physiographic Province
☑ Piedmont
☑ Coastal Plain

County Distribution
☑ New Castle
☑ Kent
☑ Sussex

Swales, wet meadows, marshes
State Status
Piedmont Status
Coastal Plain Status
Global Rank
Federal Status
Geographic Affinity
Species at Limit of Distribution
☐ Northern
☐ Southern

North American Distribution (Non-indigenous Species)
Coefficient of Conservatism
Invasive Watchlist
Global Origin (Non-native Species)
Wildlife Values
Nectar and pollen attract many insects; caterpillars of several Moths feed on plant parts.
Medicinal Properties
Parts used: Leaf and Flower. Used internally as tea or tincture for colds and flu with chills, muscle pain, achy and hot bones, chicken pox, measles, dengue fever, and sluggish bowels. Topically, was used by native people as a poultice or bath for arthritis pain, healing fractures, and treating snakebites. Cautions: Emetic in large doses. Not for use in pregnancy. May contain small amounts of hepatotoxic Pyrrolizine alkaloids.
ID Notes
Additional Info
The hybrid Eupatorium ?truncatum - with the purported parents being E. perfoliatum and E. serotinum - has been collected in Delaware (Kent Co., 1986, A.Tucker 313, DOV).
Habitats in which this plant occurs
Freshwater Herbaceous Tidal Wetlands
Seepage Slope Open Canopy Non-tidal Wetland (Piedmont)
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